Princeton Junction is located in New Jersey. Princeton Junction, New Jersey has a population of 20,165. Princeton Junction is more family-centric than the surrounding county with 42% households with children. The county percentage for households with children is 30%.
The median household income in Princeton Junction, New Jersey is $176,971. The median household income for the surrounding county is $79,563 compared to the national median of $61,963. The median age of people living in Princeton Junction is 47.4 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 21.5 degrees. The annual precipitation is 48.04.